Checking if player opens their inventory.

You can use the event https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/event/inventory/InventoryOpenEvent.html
and check the name of the inventory...
the inventory user is a name default...

 

Did you register the event?

 

if its doesn't work it means that you don't made it correctly don't just tell that please read the read if he don't read the thread he won't tell you a great answear indeed for me.

Code (Java):

InventoryOpenEvent

if(e.getInventory() instanceof PlayerInventory) {
// do something
}

 

It's unfortunately not possible to tell whether or not the player actually has their inventory open, and it's always considered open.

 

then do this thing inside the event

Code (Java):

Player p = (Player) e.getPlayer();
p.closeInventory(Inventory inventory);

 

How is that going to help?
1) The player inventory is in a constant open state.
2) He still wouldn't be able to tell if they opened their inventory

 

you can tell it from the inventoryopenevent using if (e.getInventory()) // get the inventory opened by player.

 

Yes. But he's talking about the player's own inventory, which is never closed nor opened, meaning it's in a constant open state. And he wants to know whether or not the player has their inventory open.

 

uhhmm kay. doesn't need the event since then.

 

All you can do is probably to close the inventory when the player clicks an item ...

 

Notchian clients send a packet when they open the inventory so the server can handle the archievement. Capture that using protocollib and profitö